EP 2207358 A4 20110824 - VIDEO DECODING METHOD AND VIDEO ENCODING METHOD
Title (en)
VIDEO DECODING METHOD AND VIDEO ENCODING METHOD
Title (de)
VIDEODEKODIERUNGSVERFAHREN UND VIDEOKODIERUNGSVERFAHREN
Title (fr)
PROCÉDÉ DE CODAGE ET DE DÉCODAGE VIDÉO
Publication
Application
Priority
- JP 2008002924 W 20081015
- EP 07020168 A 20071015
- EP 08838646 A 20081015
Abstract (en)
[origin: EP2051524A1] The present invention disclosed methods for enhancing the subjective image quality of decoded images by applying a post-processing technique without amplifying coding artefacts and a corresponding apparatus. This is achieved by applying an image enhancement technique predominantly to image areas where coding artefacts are not likely to occur. These areas are identified based on the prediction error, which is employed to construct a mask for controlling the image enhancement process.
IPC 8 full level
H04N 7/26 (2006.01); G06T 5/00 (2006.01); H04N 7/30 (2006.01)
CPC (source: EP US)
G06T 5/70 (2024.01 - EP US); G06T 5/73 (2024.01 - EP US); H04N 19/117 (2014.11 - EP US); H04N 19/137 (2014.11 - EP US); H04N 19/172 (2014.11 - EP US); H04N 19/44 (2014.11 - EP US); H04N 19/61 (2014.11 - EP US); H04N 19/85 (2014.11 - EP US); G06T 2207/10016 (2013.01 - EP US); G06T 2207/20036 (2013.01 - EP US)
Citation (search report)
- [Y] EP 0571171 A2 19931124 - SAMSUNG ELECTRONICS CO LTD [KR]
- [Y] US 2007116125 A1 20070524 - WADA NAOFUMI [JP], et al
- [A] WO 02056583 A2 20020718 - KONINKL PHILIPS ELECTRONICS NV [NL]
- [A] CHITTINENI C B: "SINGLE FILTERS FOR COMBINED IMAGE GEOMETRIC MANIPULATION AND ENHANCEMENT", 19930203, vol. 1903, 3 February 1993 (1993-02-03), pages 111 - 121, XP001028080
- [A] NDJIKI-NYA P ET AL: "Improved H.264/AVC coding using texture analysis and synthesis", PROCEEDINGS 2003 INTERNATIONAL CONFERENCE ON IMAGE PROCESSING. ICIP-2003. BARCELONA, SPAIN, SEPT. 14 - 17, 2003; [INTERNATIONAL CONFERENCE ON IMAGE PROCESSING], NEW YORK, NY : IEEE, US, vol. 2, 14 September 2003 (2003-09-14), pages III - 849, XP002286886, ISBN: 978-0-7803-7750-9
- See also references of WO 2009050889A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2051524 A1 20090422; CN 101578880 A 20091111; EP 2207358 A1 20100714; EP 2207358 A4 20110824; JP 5283628 B2 20130904; JP WO2009050889 A1 20110224; US 2010067574 A1 20100318; WO 2009050889 A1 20090423
DOCDB simple family (application)
EP 07020168 A 20071015; CN 200880001374 A 20081015; EP 08838646 A 20081015; JP 2008002924 W 20081015; JP 2009537922 A 20081015; US 51871608 A 20081015